CN109860495A - A kind of bus structures and battery core mould group - Google Patents

A kind of bus structures and battery core mould group Download PDF

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Publication number
CN109860495A
CN109860495A CN201811465642.3A CN201811465642A CN109860495A CN 109860495 A CN109860495 A CN 109860495A CN 201811465642 A CN201811465642 A CN 201811465642A CN 109860495 A CN109860495 A CN 109860495A
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CN
China
Prior art keywords
battery core
busbar connector
mould group
output pole
bus structures
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811465642.3A
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Chinese (zh)
Inventor
李碧雄
徐峰
王杭挺
刘安龙
李林
郑小凯
李玉杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Xiaopeng Motors Technology Co Ltd
Original Assignee
Guangzhou Xiaopeng Motors Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Xiaopeng Motors Technology Co Ltd filed Critical Guangzhou Xiaopeng Motors Technology Co Ltd
Priority to CN201811465642.3A priority Critical patent/CN109860495A/en
Publication of CN109860495A publication Critical patent/CN109860495A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Connection Of Batteries Or Terminals (AREA)

Abstract

The invention discloses a kind of bus structures and battery core mould group, bus structures include positive output pole;Negative output pole;Positive output pole busbar connector is connect with positive output pole;Negative output pole busbar connector is connect with negative output pole;Several intermediate busbar connectors, intermediate busbar connector have battery core cathode interconnecting piece and battery core anode interconnecting piece;The battery core cathode interconnecting piece and positive output pole busbar connector of first intermediate busbar connector be insulated from each other and stacked distribution, and the battery core anode interconnecting piece and negative output pole busbar connector of the last one intermediate busbar connector be insulated from each other and stacked distribution.Battery core mould group includes mould group supporting piece, and mould group supporting piece is equipped with battery core fit structure;Battery core array includes multiple single battery cores, and single battery core anode cooperates towards mould group supporting piece and battery core fit structure;Bus structures, bus structures are located in mould group supporting piece;The single battery core of battery core array couples to form battery core mould group by bus structures.It can effectively simplify Product Process, reduce production process, save production cost.

Description

A kind of bus structures and battery core mould group
Technical field
The present invention is used for battery art, more particularly to a kind of bus structures and battery core mould group.
Background technique
Cylinder battery core mould group is usually and by multiple single battery core strings and forms at present, and elder generation is by several battery cores and is unified into one Group, then a mould group is composed in series by multiple groups of battery core;The positive and negative direction of every group of battery core is consistent, the positive and negative court of the battery core of adjacent sets To just on the contrary, connecting the anode and the cathode of another set battery core of wherein one group of battery core by a monolith busbar connector, realization is each Series connection between group battery core, therefore busbar connector needs to be arranged in mould group two sides, when mould group produces, needs first to fix side confluence After row, then it is whole overturn fixed other side busbar connector, and when busbar connector and battery core are directly welded, it is also desirable to which overturning carries out back and forth Welding, in this way to the more demanding of equipment, and the process is more complicated, cannot achieve the production of larger size mould group.
Summary of the invention
It is an object of the invention at least solve one of the technical problems existing in the prior art, a kind of busbar connector knot is provided Structure and battery core mould group can effectively simplify Product Process, reduce production process, save production cost, improve automated production effect Rate.
The technical solution adopted by the present invention to solve the technical problems is: a kind of bus structures, including
Positive output pole;
Negative output pole;
Positive output pole busbar connector, connect with positive output pole;
Negative output pole busbar connector, connect with negative output pole;
Several intermediate busbar connectors, intermediate busbar connector have battery core cathode interconnecting piece and battery core anode interconnecting piece;
The battery core cathode interconnecting piece and positive output pole busbar connector of first intermediate busbar connector be insulated from each other and stacked distribution, The battery core anode interconnecting piece of the last one intermediate busbar connector and negative output pole busbar connector is insulated from each other and stacked distribution.
It is further used as the improvement of technical solution of the present invention, when intermediate busbar connector is arranged multiple, previous intermediate busbar connector Battery core anode interconnecting piece and the latter among busbar connector battery core cathode interconnecting piece is insulated from each other and stacked distribution.
It is further used as the improvement of technical solution of the present invention, and bus structures are divided into the upper and lower, positive output pole confluence Row and negative output pole busbar connector are distributed in lower layer, and multiple intermediate busbar connectors are successively alternately distributed in upper layer, lower layer.
It is further used as the improvement of technical solution of the present invention, and insulation system is equipped between the upper and lower.
It is further used as the improvement of technical solution of the present invention, positive output pole busbar connector and/or negative output pole busbar connector and/or Several battery core bonding wire windows are opened up on intermediate busbar connector.
A kind of battery core mould group, including
Mould group supporting piece, mould group supporting piece are equipped with battery core fit structure;
Battery core array, including multiple single battery cores, single battery core anode are matched towards mould group supporting piece and battery core fit structure It closes;
Bus structures described in any of the above embodiment, bus structures are located in mould group supporting piece;
The single battery core of battery core array couples to form battery core mould group by bus structures, and battery core mould group passes through positive output The extremely outside output voltage of pole, negative output.
It is further used as the improvement of technical solution of the present invention, and battery core fit structure includes the battery core hole being located in mould group supporting piece Array, battery core hole array include multiple battery core corresponding with each single battery core holes, and bus structures are located at the top of mould group supporting piece.
It is further used as the improvement of technical solution of the present invention, and three or more odd number single battery core anodes are towards mould group supporting piece Transversely arranged in a row, the single battery core of the identical quantity of several rows is arranged in the vertical direction to form one group, and several groups single battery core is along horizontal Battery core array is formed to arrangement.
It is further used as the improvement of technical solution of the present invention, positive output pole busbar connector, negative output pole busbar connector and intermediate remittance Battery core bonding wire window is opened up in the position of single battery core face on stream row.
It is further used as the improvement of technical solution of the present invention, and the anode of positive output pole busbar connector and first group of single battery core is logical Conducting connecting part connection is crossed, the battery core cathode interconnecting piece of intermediate busbar connector and the cathode of previous group single battery core pass through conductive connection Part connection, the battery core anode interconnecting piece of intermediate busbar connector are connect with the anode of later group single battery core by conducting connecting part, are born Output stage busbar connector is connect with the cathode of last group of single battery core by conducting connecting part.
A technical solution in above-mentioned technical proposal at least has the following advantages that or one of beneficial effect: bus structures Using stacked distribution, the position connecting with battery core is staggered completely, guarantees electric insulation safety.It can be realized the remittance of mould group unilateral side It flows, does not need to overturn mould group back and forth as bilateral Bus bar mould group in production process, can effectively simplify product work Skill reduces production process, saves production cost, improves automated production efficiency.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is bus structures example structure schematic diagram of the present invention;
Fig. 2 is bus structures embodiment explosive view of the present invention;
Fig. 3 is battery core mould group example structure schematic diagram of the present invention;
Fig. 4 is battery core mould group embodiment mould group supporting piece structural schematic diagram of the present invention;
Fig. 5 is battery core mould group embodiment explosive view of the present invention.
Specific embodiment
This part will be described in specific embodiments of the present invention, and the preferred embodiments of the invention is shown in the accompanying drawings, attached The effect of figure be with figure remark additionally book word segment description, enable a person to intuitively, visually understand of the invention Each technical characteristic and overall technical architecture, but it should not be understood as limiting the scope of the invention.
It is with Fig. 1, structure shown in Fig. 3 when if there is being described to direction (upper and lower, left and right, before and after) in the present invention It is described for reference, but it is merely for convenience of description technical solution of the present invention, rather than the technology of indication or suggestion meaning is special Sign must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the present invention, " several " are meant that one or more, " being greater than ", " small the meaning of " plurality " is two or more In ", " being more than " etc. be interpreted as not including this number;" more than ", " following ", " within " etc. be interpreted as including this number.Of the invention In description, if there is being described to " first ", " second " be only used for for the purpose of distinguishing technical characteristic, and should not be understood as instruction or dark Show relative importance or implicitly indicates the quantity of indicated technical characteristic or implicitly indicate indicated technical characteristic Precedence relationship.
In the present invention, unless otherwise restricted clearly, the words such as " setting ", " installation ", " connection " be shall be understood in a broad sense, example Such as, it can be directly connected, it can also be indirectly connected through an intermediary;It may be a fixed connection, be also possible to detachably connect It connects, can also be integrated molding;It can be mechanical connection, be also possible to be electrically connected or can communicate with each other;It can be two members The interaction relationship of connection or two elements inside part.Skilled artisan can be with the tool of combination technology scheme Hold in vivo and rationally determines the concrete meaning of above-mentioned word in the present invention.
The embodiment provides a kind of bus structures, including
Positive output pole 1;
Negative output pole 2;
Positive output pole busbar connector 3, connect with positive output pole 1;
Negative output pole busbar connector 4, connect with negative output pole 2;
Several intermediate busbar connectors 5, intermediate busbar connector 5 have battery core cathode interconnecting piece 51 and battery core anode interconnecting piece 52;
The battery core cathode interconnecting piece 51 of first intermediate busbar connector 5 is insulated from each other with positive output pole busbar connector 3 and is laminated Distribution, the battery core anode interconnecting piece 52 and negative output pole busbar connector 4 of the last one intermediate busbar connector 5 are insulated from each other and stacking divides Cloth.
In use, positive output pole busbar connector 3, intermediate busbar connector 5, negative output pole busbar connector 4 list with corresponding region respectively The connection of body battery core, the positive or negative pole of multiple single battery cores is converging together, equipotential is formed, realizes battery core module monomer electricity The series, parallel of core, bus structures use stacked distribution, and the position connecting with battery core is staggered completely, it is ensured that different and battery core Between short circuit do not occur and climb electricity, high safety and reliability guarantees electric insulation safety.And it can be realized mould group unilateral side confluence, It does not need to overturn mould group back and forth as bilateral Bus bar mould group in production process, can effectively simplify Product Process, subtract Few production process, saves production cost, improves automated production efficiency.
In a certain or some embodiments, intermediate busbar connector 5 is arranged one, the battery core cathode connection of the intermediate busbar connector 5 Portion 51 and positive output pole busbar connector 3 is insulated from each other and stacked distribution, the battery core anode interconnecting piece 52 of the intermediate busbar connector 5 and negative Output stage busbar connector 4 is insulated from each other and stacked distribution.Positive output pole busbar connector 3, intermediate busbar connector 5, negative output pole busbar connector 4 It is connect respectively with the single battery core of corresponding region, the positive or negative pole of multiple single battery cores is converging together, equipotential is formed, Realize that the series, parallel of battery core module monomer battery core, bus structures use stacked distribution, the position connecting with battery core is completely wrong It opens, it is ensured that short circuit does not occur between different and battery core and climbs electricity, high safety and reliability guarantees electric insulation safety.
In a certain or some embodiments, multiple, the battery core cathode of first intermediate busbar connector 5 is arranged in intermediate busbar connector 5 Interconnecting piece 51 is insulated from each other with positive output pole busbar connector 3 and stacked distribution, the battery core anode of the last one intermediate busbar connector 5 connect Socket part 52 and negative output pole busbar connector 4 is insulated from each other and stacked distribution.The battery core anode interconnecting piece of previous intermediate busbar connector 5 52 and stacked distributions insulated from each other with the battery core cathode interconnecting piece 51 of busbar connector 5 among the latter.Positive output pole busbar connector 3, Intermediate busbar connector 5, negative output pole busbar connector 4 are connect with the single battery core of corresponding region respectively, by the anode of multiple single battery cores Or cathode is converging together, forms equipotential, realizes that the series, parallel of battery core module monomer battery core, bus structures use layer Folded distribution, the position connecting with battery core are staggered completely, it is ensured that and short circuit does not occur between different and battery core and climbs electricity, security reliability Height guarantees electric insulation safety.
In a certain or some embodiments, bus structures are divided into multilayer, preferably, bus structures be divided into upper layer and Lower layer, positive output pole busbar connector 3 and negative output pole busbar connector 4 are distributed in lower layer, multiple intermediate busbar connectors 5 successively upper layer, under Layer is alternately distributed.Positive output pole busbar connector 3, intermediate busbar connector 5, negative output pole busbar connector 4 are electric with the monomer of corresponding region respectively Core connection, the positive or negative pole of multiple single battery cores is converging together, equipotential is formed, realizes battery core module monomer battery core Series, parallel, bus structures use stacked distribution, and the position connecting with battery core is staggered completely, it is ensured that between different and battery core not Short circuit occurs and climbs electricity, high safety and reliability guarantees electric insulation safety.
In a certain or some embodiments, between the upper and lower be equipped with insulation system 6, insulation system 6 using insulating layer, Insulation board etc., the main function of insulation system 6 are to be dielectrically separated from upper layer busbar connector and lower layer's busbar connector intersection, are protected Demonstrate,prove electric insulation safety.
In a certain or some embodiments, positive output pole busbar connector 3 and/or negative output pole busbar connector 4 and/or centre converge Several battery core bonding wire windows, positive output pole busbar connector 3 and/or negative output pole busbar connector 4 and/or intermediate busbar connector 5 are opened up on row 5 Grid-shaped, dendroid etc., battery core bonding wire window is for facilitating busbar connector and the electrode of single battery core to connect, outside busbar connector window It can cleverly realize the series connection and parallel connection between battery core to the border structure enclosed, while playing the role of loss of weight, prevent short circuit, really It protects and short circuit does not occur between difference and battery cores and climbs electricity, high safety and reliability.
A kind of battery core mould group, including
Mould group supporting piece 7, mould group supporting piece 7 are equipped with battery core fit structure;
Battery core array, including multiple single battery cores 8, single battery core 8 are positive towards mould group supporting piece 7 and battery core fit structure Cooperation;
Bus structures described in any of the above embodiment, bus structures are located in mould group supporting piece 7;
The single battery core 8 of battery core array couples to form battery core mould group by bus structures, and battery core mould group passes through positive output Pole 1, the outside output voltage in negative output pole 2.
Battery core mould group can be realized mould group unilateral side confluence, not need as bilateral Bus bar mould group in production process, right Mould group is overturn back and forth, can effectively simplify Product Process, reduces production process, saves production cost, improves automated production Efficiency.
In a certain or some embodiments, battery core fit structure can be formed directly in mould group supporting piece 7, such as in mould group Fluting in supporting piece 7, aperture, setting detent etc. seperated with mould group supporting piece 7 can also form, then with 7 company of assembling of mould group supporting piece It connects.Preferably, battery core fit structure includes 71 array of battery core hole being located in mould group supporting piece 7,71 array of battery core hole includes more A battery core hole 71 corresponding with each single battery core 8.
In certain embodiments, busbar connector is located at 7 top of mould group supporting piece or bottom, preferably, bus structures are located at 7 top of mould group supporting piece.Busbar connector mounting structure is equipped at the top of mould group supporting piece 7, busbar connector mounting structure is divided into height two layers, low layer Part fitting lower layer's busbar connector, high-level partial are bonded upper layer busbar connector.It, first will be corresponding upper and lower in mould group supporting piece 7 in production process Busbar connector position first carries out gluing, and lower layer's busbar connector, insulation system and upper layer busbar connector are successively then placed in corresponding position, It is compressed by equipment, after adhesive curing, then it is whole to the progress battery core connection of upper and lower layer busbar connector.
In a certain or some embodiments, battery core array can be by lateral, longitudinal, oblique arbitrary arrangement, preferably, three 8 anode of above odd number single battery core is transversely arranged in a row towards mould group supporting piece 7, the single battery core 8 of the identical quantity of several rows It is arranged in the vertical direction to form one group, several groups single battery core 8 is arranged in the horizontal direction to form battery core array.Positive output pole busbar connector, bear it is defeated Pole busbar connector opens up battery core bonding wire window in the position of 8 face of single battery core on intermediate busbar connector out.Positive output pole busbar connector It is connect with the anode of first group of single battery core 8 by conducting connecting part 9, the battery core cathode interconnecting piece and previous group of intermediate busbar connector The cathode of single battery core 8 is connected by conducting connecting part 9, the battery core anode interconnecting piece and later group single battery core of intermediate busbar connector 8 anode is connected by conducting connecting part 9, and the cathode of negative output pole busbar connector and last group of single battery core 8 is connected by conductive Fitting 9 connects.Wherein, conducting connecting part 9 uses sheet metal, wire etc., preferably, conducting connecting part 9 uses aluminium wire, aluminium The both ends of silk and busbar connector and the electrode welding of single battery core 8, which are realized, to be connected.All 8 anodes of single battery core are both facing to mould group supporting piece 7, unilateral busbar connector has two layers, is arranged in the top of single battery core 8, have among bilevel busbar connector insulation board carry out every From, and the welding position of the busbar connector and battery core between upper layer and lower layer is staggered, wherein one layer of busbar connector welds cylinder electricity by aluminium wire Anode in the middle part of core, in addition one layer of busbar connector welds cylindrical electrical core outer edge shell (cathode) by aluminium wire, realizes unilateral fixed Busbar connector, unilateral side carry out the welding of busbar connector and battery core.
Above-described embodiment also has the advantage that 1 battery core anode is arranged towards mould group supporting piece 7, arranges regular, is easy to set Standby control;Busbar connector specification type is few, in addition to end edge positive output pole busbar connector and negative output pole busbar connector, other all confluences Row can share the same specification, greatly reduce busbar connector part type, save part development cost;Aluminium wire welding side To regular, it is easy to equipment control.
Certainly, the invention is not limited to above embodiment, and those skilled in the art are without prejudice to originally Equivalent deformation or replacement can be also made under the premise of spirit, these equivalent variation or replacement are all contained in the application right It is required that in limited range.

Claims (10)

1. a kind of bus structures, it is characterised in that: including
Positive output pole;
Negative output pole;
Positive output pole busbar connector, connect with positive output pole;
Negative output pole busbar connector, connect with negative output pole;
Several intermediate busbar connectors, intermediate busbar connector have battery core cathode interconnecting piece and battery core anode interconnecting piece;
The battery core cathode interconnecting piece and positive output pole busbar connector of first intermediate busbar connector be insulated from each other and stacked distribution, finally The battery core anode interconnecting piece and negative output pole busbar connector of one intermediate busbar connector be insulated from each other and stacked distribution.
2. bus structures according to claim 1, it is characterised in that: when the setting of intermediate busbar connector is multiple, it is previous in Between busbar connector battery core anode interconnecting piece and busbar connector among the latter battery core cathode interconnecting piece it is insulated from each other and be laminated point Cloth.
3. bus structures according to claim 2, it is characterised in that: bus structures are divided into the upper and lower, just defeated Pole busbar connector and negative output pole busbar connector are distributed in lower layer out, and multiple intermediate busbar connectors are successively alternately distributed in upper layer, lower layer.
4. bus structures according to claim 3, it is characterised in that: be equipped with insulation system between the upper and lower.
5. bus structures according to any one of claims 1 to 4, it is characterised in that: positive output pole busbar connector and/or Several battery core bonding wire windows are opened up on negative output pole busbar connector and/or intermediate busbar connector.
6. a kind of battery core mould group, it is characterised in that: including
Mould group supporting piece, mould group supporting piece are equipped with battery core fit structure;
Battery core array, including multiple single battery cores, single battery core anode cooperate towards mould group supporting piece and battery core fit structure;
Bus structures according to any one of claims 1 to 5, bus structures are located in mould group supporting piece;
The single battery core of battery core array couples to form battery core mould group by bus structures, and battery core mould group passes through positive output pole, bears The outside output voltage of output stage.
7. battery core mould group according to claim 6, it is characterised in that: battery core fit structure includes being located in mould group supporting piece Battery core hole array, battery core hole array include multiple battery core corresponding with each single battery core holes, and bus structures are located at mould group supporting piece Top.
8. battery core mould group according to claim 7, it is characterised in that: three or more odd number single battery core anodes are towards mould Group supporting piece is transversely arranged in a row, and the single battery core of the identical quantity of several rows is arranged in the vertical direction to form one group, several groups monomer electricity Core is arranged in the horizontal direction to form battery core array.
9. battery core mould group according to claim 8, it is characterised in that: positive output pole busbar connector, negative output pole busbar connector and Battery core bonding wire window is opened up in the position of single battery core face on intermediate busbar connector.
10. battery core mould group according to claim 8 or claim 9, it is characterised in that: positive output pole busbar connector and first group of monomer electricity The anode of core is connected by conducting connecting part, and the battery core cathode interconnecting piece of intermediate busbar connector and the cathode of previous group single battery core are logical Conducting connecting part connection is crossed, the battery core anode interconnecting piece of intermediate busbar connector and the anode of later group single battery core pass through conductive connection Part connection, negative output pole busbar connector are connect with the cathode of last group of single battery core by conducting connecting part.
CN201811465642.3A 2018-12-03 2018-12-03 A kind of bus structures and battery core mould group Pending CN109860495A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111599973A (en) * 2020-06-30 2020-08-28 蜂巢能源科技有限公司 Busbar structure and electric core with same
WO2021129136A1 (en) * 2019-12-27 2021-07-01 宁德时代新能源科技股份有限公司 Connection assembly, battery module, battery pack, device, and manufacturing method
CN115101358A (en) * 2022-06-24 2022-09-23 无锡市新峰电容器有限公司 Method for assembling capacitor

Citations (3)

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US20140255750A1 (en) * 2013-03-11 2014-09-11 Atieva, Inc. Z-Shaped Bus Bar for a Battery Pack
CN205104554U (en) * 2014-09-25 2016-03-23 源捷公司 Storage battery assembly
CN209389124U (en) * 2018-12-03 2019-09-13 广州小鹏汽车科技有限公司 A kind of bus structures and battery core mould group

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140255750A1 (en) * 2013-03-11 2014-09-11 Atieva, Inc. Z-Shaped Bus Bar for a Battery Pack
CN205104554U (en) * 2014-09-25 2016-03-23 源捷公司 Storage battery assembly
CN209389124U (en) * 2018-12-03 2019-09-13 广州小鹏汽车科技有限公司 A kind of bus structures and battery core mould group

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021129136A1 (en) * 2019-12-27 2021-07-01 宁德时代新能源科技股份有限公司 Connection assembly, battery module, battery pack, device, and manufacturing method
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CN111599973A (en) * 2020-06-30 2020-08-28 蜂巢能源科技有限公司 Busbar structure and electric core with same
CN111599973B (en) * 2020-06-30 2022-06-03 蜂巢能源科技有限公司 Busbar structure and electric core with same
CN115101358A (en) * 2022-06-24 2022-09-23 无锡市新峰电容器有限公司 Method for assembling capacitor
CN115101358B (en) * 2022-06-24 2024-05-28 无锡市新峰电容器有限公司 Method for assembling capacitor

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